Granted Patent
Utility
US 6,449,402 · App. 09/617,790
Method and apparatus for compensating an optical filter
Inventors:
R. Brad Bettman, Ping Xie, Peter Chen
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jul 18, 2000
Inventors
R. Brad Bettman
Ping Xie
Peter Chen
Assignee (at issue)
FINISAR CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.